* [PATCH 01/12] efi: libstub: drop pointless get_memory_map() call
[not found] <20220918213544.2176249-1-ardb@kernel.org>
@ 2022-09-18 21:35 ` Ard Biesheuvel
0 siblings, 0 replies; only message in thread
From: Ard Biesheuvel @ 2022-09-18 21:35 UTC (permalink / raw)
To: linux-efi
Cc: loongarch, linux, Ard Biesheuvel, Arnd Bergmann, Ilias Apalodimas,
Huacai Chen, Xi Ruoyao, stable
Currently, the non-x86 stub code calls get_memory_map() redundantly,
given that the data it returns is never used anywhere. So drop the call.
Cc: <stable@vger.kernel.org> # v4.14+
Fixes: 24d7c494ce46 ("efi/arm-stub: Round up FDT allocation to mapping size")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
drivers/firmware/efi/libstub/fdt.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c
index fe567be0f118..804f542be3f2 100644
--- a/drivers/firmware/efi/libstub/fdt.c
+++ b/drivers/firmware/efi/libstub/fdt.c
@@ -280,14 +280,6 @@ efi_status_t allocate_new_fdt_and_exit_boot(void *handle,
goto fail;
}
- /*
- * Now that we have done our final memory allocation (and free)
- * we can get the memory map key needed for exit_boot_services().
- */
- status = efi_get_memory_map(&map);
- if (status != EFI_SUCCESS)
- goto fail_free_new_fdt;
-
status = update_fdt((void *)fdt_addr, fdt_size,
(void *)*new_fdt_addr, MAX_FDT_SIZE, cmdline_ptr,
initrd_addr, initrd_size);
--
2.35.1
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